Mini Quiz: Writing Linear Equations

What is the equation of the line?

• y = -3/4x + 3
• y = 4/5x + 3
• y = -4/5x + 3
• y = -4/5x

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSG.GPE.B.5

Jenny writes the equation y = 1/2x +5.
Why is she incorrect?

• The slope is -2, the equation should be
  y = -2x + 5
• The y-intercept is 4, the equation should be y = -2x + 4
• The slope is -1/2, the equation should be
   y = -1/2x + 5
• The y-intercept is -5, the equation should be y = -2x - 5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write the equation of the line passes through the point (3,-1) and has a slope of 2.

• y = 3x - 1

• y = 2x - 5

• y = 2x - 7

• y = -x + 3

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5

In slope-intercept form, write the equation of the line passing through the points (-3,4) and (-4,2).

• y = -2x + 10

• y = -2x - 10

• y = 2x - 10

• y = 2x + 10

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

Given the equation, 3x - 2y = -10, identify the slope and the y-intercept.

• slope: -3, y-intercept: -10
• slope: -2/3, y-intercept: -5
• slope: 3/2, y-intercept: 5
• slope: -3/2, y-intercept: 5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write an equation for the line that passes through the point (5, -4) and is parallel to the line y = 2x + 3.

• y = -2x + 14
• y = 2x - 14
• y = 2x - 6
• y = -1/2x + 6

Tags

CCSS.HSG.GPE.B.5

Write an equation of a line perpendicular to
y = 2/7x - 5 through (2, -3)

• y = -7/2x + 4
• y = -4x - 7/2
• y = 4x - 7/2
• y = 7/2x + 4

Tags

CCSS.HSG.GPE.B.5

Write the equation of a horizontal line through (-3,8).

• x = 8
• y = 3
• x = -3
• y = 8

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Write the equation of a vertical line through (6,-7).

• x = 6
• y = 6
• x = -7
• y = -7

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.B.3

Write the standard form of the equation for the line:

y = 1/4 x + 4

• x + 4y = 8

• x - 4y = -16

• y = x + 16

• 4y + x = 8

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10